Pith Number

pith:5AIQDFPO

pith:2013:5AIQDFPOK3FKZ42K3ZBBMS4JH4

not attested not anchored not stored refs pending

The high-energy spectrum of 3C 273

Andrea Tramacere, Pierre Jean, Roland Walter, Valentino Esposito

arxiv:1304.7115 v1 · 2013-04-26 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AIQDFPOK3FKZ42K3ZBBMS4JH4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:27:02.539910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8110195ee56caacf34ade42164b893f385bad270109867e95b4319aa01024f1

Aliases

arxiv: 1304.7115 · arxiv_version: 1304.7115v1 · doi: 10.48550/arxiv.1304.7115 · pith_short_12: 5AIQDFPOK3FK · pith_short_16: 5AIQDFPOK3FKZ42K · pith_short_8: 5AIQDFPO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5AIQDFPOK3FKZ42K3ZBBMS4JH4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e8110195ee56caacf34ade42164b893f385bad270109867e95b4319aa01024f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db1aa79e84fb30bcde9f4e7da5a4b2e6dd5cb423192797a46dc7604f757cdb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-26T10:21:44Z",
    "title_canon_sha256": "83145355e4ddc0b8f2e90550ff663e6a993423d1f0c027330ed72f4e5efeaefe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7115",
    "kind": "arxiv",
    "version": 1
  }
}